Ladder rack support



FIG. 1 is a perspective view of a ladder rack support showing our new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged bottom plan view thereof;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged rear elevational view thereof; and,

FIG. 6 is an enlarged left side elevational view thereof, the right side view being a mirror image. 

The ornamental design for a ladder rack support, as shown and described. 